SanDisk SDMSPD-256-A10 256MB MemoryStick Pro Duo — main product image

SanDisk SDMSPD-256-A10 256MB MemoryStick Pro Duo

SanDisk

SanDisk SDMSPD-256-A10 256MB MemoryStick Pro Duo

Name: SanDisk SDMSPD-256-A10 256MB MemoryStick Pro Duo
Brand: SanDisk
SKU: SDMSPD-256-A10

★★★★★4.2 (20 reviews)

Legacy 256MB Memory Stick Pro Duo storage for older Sony devices that require the proprietary format.

$27.99*

✓ In Stock on Amazon.com

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The SanDisk SDMSPD-256-A10 is a 256MB Memory Stick Pro Duo card — a proprietary flash storage format developed by Sony that was standard in their portable devices through the mid-2000s. At 256MB, this card operates at the original Pro Duo bus speeds (approximately 20 MB/s read, 15 MB/s write) and provides enough capacity for basic photo storage on era-appropriate compact cameras or save data on a PlayStation Portable. The Pro Duo form factor measures roughly 31mm x 20mm x 1.6mm, fitting directly into the memory card slots of compatible Sony hardware without any adapter required.

This card exists for a specific use case: maintaining or restoring functionality in legacy Sony devices that exclusively accept the Memory Stick Pro Duo format. If you have a working PSP, an older Cyber-shot, or a Sony camcorder that requires this format, a genuine SanDisk card is the most reliable option — third-party cards and MicroSD-to-MS adapters work in many cases but can introduce compatibility issues in certain hardware revisions. For anyone not locked into the MS Pro Duo ecosystem, modern MicroSD cards offer thousands of times the capacity at a fraction of the per-megabyte cost. This is a legacy maintenance purchase, and its value is entirely determined by whether you have hardware that needs it.

Key Features

SANDISK 256MB MEMORY STICK PRO DUO

Specifications

Brand

SanDisk

Model

SDMSPD-256-A10

Capacity

256 MB

Format

Memory Stick Pro Duo

Pros & Cons

👍 Pros

Genuine SanDisk manufacturing ensures reliable flash memory cells and consistent compatibility with devices that require the Memory Stick Pro Duo format
Compact Pro Duo form factor fits directly into Sony PSP, Cyber-shot cameras, and other legacy devices without adapters
SanDisk's established quality control on this product line means low failure rates even in cards manufactured over a decade ago

👎 Cons

256MB capacity is severely limiting by any modern standard — enough for only a handful of photos or save files
Memory Stick Pro Duo is a dead format with no new devices supporting it, making this a legacy-only purchase
Transfer speeds are capped at the original MS Pro Duo bus specification, far slower than any current memory card standard
Price per megabyte is extremely high compared to modern MicroSD cards, even when factoring in adapter-based alternatives
Availability as new-old-stock means card age and storage conditions are unknown, which can affect flash memory reliability

Frequently Asked Questions

What devices are compatible with the Memory Stick Pro Duo format?

Memory Stick Pro Duo is a proprietary Sony format used primarily in older Sony devices — including PSP handheld consoles, Cyber-shot cameras from the mid-2000s, and select Sony camcorders and VAIO laptops with built-in MS slots. Verify your device's documentation, as some early Memory Stick devices only support the original (non-Pro) format.

Is 256MB enough storage for practical use?

At 256MB, you're looking at roughly 100-150 JPEG photos at typical compact camera resolutions of the era (5-8 megapixels), or a handful of short video clips. For PSP use, this holds a few save files and minor downloads but is too small for full game ISOs or significant media libraries. It's a functional minimum, not a comfortable capacity.

Can I use a Memory Stick Pro Duo to Micro SD adapter instead?

Yes, adapters that accept a MicroSD card in a Memory Stick Pro Duo shell are widely available and typically cheaper than buying genuine MS Pro Duo cards at larger capacities. However, some devices may not recognize adapted cards reliably, so test compatibility with your specific hardware.

What read and write speeds can I expect from this card?

The original SDMSPD-256 operates at Memory Stick Pro Duo standard bus speeds, which max out around 20 MB/s read and approximately 15 MB/s write. In practice, these speeds are adequate for the era's devices but are orders of magnitude slower than modern SD or microSD cards.